| Purpose | Patients | Evaluations | Perceived Effectiveness | 
|---|---|---|---|
| Attention deficit/hyperactivity disorder | 44 | 20 | |
| Problems concentrating | 20 | 10 | |
| Fatigue | 14 | 7 | |
| Attention deficit disorder | 5 | 0 | |
| Myalgic encephalomyelitis/chronic fatigue syndrome | 3 | 3 | 
Common side effects
| Side effect | Patients | Percentage | 
|---|---|---|
| Decreased appetite | 4 | |
| Dry mouth | 3 | |
| Energy crashes | 1 | |
| Euphoria | 1 | |
| Heart palpitations | 1 | |
| Increased anxiety | 1 | 
Side effect severity
| Severity | Evaluations | Percentage | 
|---|---|---|
| Severe | 5 | |
| Moderate | 3 | |
| Mild | 9 | |
| None | 22 | 
Member evaluations
gwyneira
evaluated on Jul 29, 2011
- Perceived effectiveness for myalgic encephalomyelitis/chronic fatigue syndrome: Major
- Side effects: None
HuskerKat
evaluated on Jan 20, 2011
- Perceived effectiveness for attention deficit/hyperactivity disorder: Major
- Side effects: None
imthewill
evaluated on Jun 26, 2009
- Perceived effectiveness for problems concentrating: Slight
- Side effects: None